Authorizes the Secretary-General to proceed with the plans for the extension of the Palais des N ations within a maximum expenditure of $15 million; 80 Official Records of the Gen.eral Assembly, Twenty-first Session, Annexes, agenda ítem 74, document A/C.5/1074. 31 Jbid., document A/6502. 32 Ibid., document A/C.5/1076. 33 lbid., document A/6524.